Question: URGENT! solved only by NEWTON'S SECOND LAW, with all its steps to follow. A uniform rigid bar of mass m and length l is hinged

URGENT! solved only by NEWTON'S SECOND LAW, with all its steps to follow.
A uniform rigid bar of mass m and length l is hinged at 0 and supported by a spring and a viscous damper as shown in the figure. Measuring \theta from the static equilibrium position, determine (a) the equation for small \theta (the moment of inertia of the bar about 0 is ml2/3),(b) the equation for the damped natural frequency, and (c) the expression for critical damping.
 URGENT! solved only by NEWTON'S SECOND LAW, with all its steps

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